Bosch Rexroth | ZDR10VP7-3X200YM12
ZDR10VP7-3X/200YM/12
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The ZDR10VP7-3X/200YM/12 valve belongs to the ZDR Pressure Reducing Valves series from Bosch Rexroth and is intended to create stable downstream pressure in hydraulic automation circuits. It is configured as a 3-way pressure reducing valve that operates by pilot control, so the main spool reacts to pilot pressure rather than direct line forces. A rotary knob with a scale sets the desired pressure, allowing manual and repeatable adjustment. Nominal size 10 establishes the port dimensions that match common medium-flow manifolds. The unit mounts as a sandwich plate and uses SAE threads for the line connections, simplifying stack assembly with other ISO pattern components. The ISO 4401-05-04-0-05 interface defines the port layout on the subplate, and the internal spool channels route flow from P2 to P1 when pressure regulation is required.
The housing tolerates operating pressures up to 315 bar, while the secondary stage limits the reduced pressure to 200 bar to protect sensitive downstream actuators. A maximum flow rate of 100 L/min can pass through the valve without exceeding its rated performance envelope. Pilot oil is drawn internally from the inlet gallery to energize the control stage and is discharged externally, preventing heat accumulation in the stack. Pressure reduction is applied at port P1, so designers can predict circuit behavior when sizing downstream lines. The design omits an internal check valve, which avoids unintended reverse flow restrictions. NBR seals are fitted to handle standard hydraulic oils and maintain leak-free operation over prolonged service.
Technical Specifications
Adjustment Type
Rotary Knob With Scale
Check Valve
None
Connection Thread
SAE
Connection Type
Sandwich Plate
Design
Pilot-Operated
Max Flow
100 L/min
Max Operating Pressure
315 bar
Mounting Interface
ISO 4401-05-04-0-05
Nominal Size
10
Pilot Oil Drain
External
Pilot Oil Supply
Internal
Pressure Reduction Port
P1
Seal Material
NBR
Secondary Pressure Stage
200 bar
Spool Flow Direction
P2→P1
Valve Type
3-Way Pressure Reducing
1620 Old Apex Road
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